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NEW YORK, Sept. 08, 2026 (GLOBE NEWSWIRE) -- Pomerantz LLP is investigating claims on behalf of investors of Ultragenyx Pharmaceutical Inc. (“Ultragenyx” or the “Company”) (NASDAQ: RARE). Such investors are advised to contact Danielle Peyton at newaction@pomlaw.com or 646-581-9980, ext. 7980.
Ultragenyx (RARE) reported earnings 30 days ago. What's next for the stock?
Ultragenyx plunges 46% after its phase III Angelman syndrome study fails to achieve key efficacy goals, putting apazunersen's future in question.
Martin Shkreli, known as Pharma Bro, said Ultragenyx Pharmaceutical (NASDAQ:RARE) is undervalued and a potential takeover target for rare-disease peers like BioMarin Pharmaceuticals (NASDAQ:BMRN) after a trial setback.
Ultragenyx Pharmaceutical Inc. (NASDAQ:RARE) stock is tumbling on Thursday after reporting late-stage clinical trial failures for its Angelman syndrome therapy, apazunersen, prompting the biopharmaceutical firm to review the program's future and plan significant corporate expense reductions.
Markets wobble heading into the Labor Day weekend as bond vigilantes push back against Washington, oil stays tense with Middle East strikes escalating, and Wall Street analysts make bold calls on names ranging from Broadcom to Moderna that could reshape your portfolio positioning.
Ultragenyx Pharmaceuticals looks to cut costs following the trial failure, while attention remains squared on its burgeoning commercial business.
Shares of Ultragenyx Pharmaceutical plunged more than 40% in premarket on Thursday after its neurodevelopmental disorder treatment failed a closely watched late-stage trial, dealing a major blow to one of its biggest growth bets.